Which vector has a y-component with a length of 1?

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Avoltaic cell converts chemical energy to

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples